The Speed of a Planet in Its Orbit

question 11

Multiple Choice

The speed of a planet in its orbit

• A) is always the same.
• B) is least when it is closest to the sun.
• C) is highest when it is closest to the sun.
• D) Any of the above choices, depending on the planet.

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Definitions:

Replication

The process of repeating a research study or experiment with the aim of finding out if the original findings can be reproduced and thus validated.

Double-Blind

A study or clinical trial design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Experimental Study

A research methodology that assesses the cause-and-effect relationship between manipulated independent variables and measured dependent variables in a controlled environment.

Treatment

Methods or interventions, including medication, surgery, or therapy, designed to manage or cure medical or psychological conditions.